Removable gun-sight.



No. 875.016. PATENTED DEC. 31, 1907. I. B. UREN & A. W. A. PHAIR.

REMOVABLE GUN SIGHT.

APPLICATION PILED APR.19,1906.

Inventoiys' Witnesses m F g. 1 H 1 Attorneys rust NQRRIS PETERS co.,WASHINGTBN, n. c.

UNIT TATES ATT FFIGE.

JAMES B. UREN AND ARTHUR W. A. PHAIR, OF LILLOOET, BRITISH COLUMBIA,CANADA.

REMOVABLE GUN-SIGHT.

Specification of Letters Patent.

Patented Dec. 3 1, 1907.

To all whom it may concern:

Be it known that we, JAMES BOTTRELL UREN and ARTHUR WVILLIAM ARMITPHAIR, both subjects of the King of England, residing at Lillooet, inthe county of Cariboo, Province of British Columbia, Canada, haveinvented certain new and useful Improvements in Removable Gun-Sights andwe do hereby declare that the following is a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

Our invention relates to sights for firearms; the object of ourinvention is to provide a sight which is readily and easily detachable;a further objectis to provide a sight the connecting parts of which arealways secured to the barrel of the firearm leaving the sight properremovable; a further object of our invention is to provide aconstruction which is dust-proof; and, our invention consists of theconstruction, combination and arrangement of parts as hereinillustrated, described and claimed.

In the accom anying drawings, forming a part of this app ication, wehave illustrated one form of embodiment of our invention, in whichdrawings similar reference characters designate corresponding parts, andin which:

Figure 1 is a side elevation of the sight, showing its application tothe barrel of a firearm; Fig. 2 is a central vertical section,illustrating the sight proper in elevation and showing its supportmgmeans connected to the barrel of a firearm; Fig. 3 is a horizontalsection taken approximately on line 33 of Fig. 2; Fig. 4 is a verticalsection taken ap proximately on line 4-4 of Fig. 2; and Fig. 5 is aperspective view of the sight proper.

Referring to the drawings 6 designates the barrel of a firearm providedwith a dovetailed slot 7 adapted to receive a dovetailed lug 8 formed onthe bottom of a supporting member or block 9. The upper horizontal edgesof the block 9 are provided with flanges 10 and the block is providedwith a vertical bore or opening 11 disposed centrally thereof andextending from its upper to its lower surface. In this bore 11 isdisposed the lug 12 formed on the under surface of the sight 13 which isof the same width as the distance between the flanges 1 0 and isdisposed between said flanges and is provided with a curved top 14having a sight edge.

The sides of the lug 12 are provided with recesses 15 the upper walls 16of said recesses being parallel with the under surface of the sight 13and the lower walls 17 of said recesses being inclined and both of saidwalls having beveled edges. The block or supporting member 9 is providedwith a horizontal bore 18 extending from one end to the vertical bore 11and for a portion of its length is provided with screw-threads 19adapted to receive a screw-threaded socket 20 provided with an opening21 therein and adapted to slidably receive a pin 22. The outer end ofthis pin is provided with a nut 23 having a milled edge whereby said pin22 may be retracted. The 0 posite end of the pin 22 is provided with abifurcated portion 24 terminating in the tapered arms 25, said armsbeing of a form adapted to fit into the recesses 15 on either side ofthe lug 12 formed on the lower portion of the sight 13. Intermediate ofits ends there is disposed on said pin a helical brass spring 26 one endof which thrusts against the bifurcated end 24 and the opposite end ofwhich thrusts against the socket 20 whereby said tapered arms are keptnormally in engagement with the lug 12 of the si ht, but may beretracted by means of the milled nut 23.

In order to remove the sight the pin 22 is retracted withdrawing thetapered arms 25 may be lifted out leaving its supporting parts attachedto the barrel of the firearm. If desired a plurality of sights ofdifferent colors may be provided.

Having thus fully described our invention, what we claim as new anddesire to secure by Letters-Patent, is;

1. In a device of the character described, a supporting block, means forrigidly securing the block to the barrel of a firearm, a sight providedwith a lug having recesses therein the lower Walls of said recessesbeing inclined and slidable means carried by the block and adapted toengage in said recesses and lock said sight to the block.

2. In a device of the character described, a supporting member, meansfor rigidly securing the supporting member to the barrel of a firearm, asight carried by the supporting member, a pin provided with a bifurcatedextremity and adapted to lock the sight on the supporting member, and aspring-adapted to actuate the pin.

3. In a device of the character described.

.from the recesses 15 whereby the sight 13 a supporting member, meansfor rigidly securing the supporting member to the barrel of a firearm, asight carried by the supporting member and provided with recesses havinginclined lower Walls, a pin provided With a bifurcation having one ofits sides inclined and adapted to engage, the inclined Walls of saidrecesses, and means for normally causing said pin to engage the sight.

4. In a device of the character described, a supporting member, meansfor rigidly securing the supporting member to the barrel of a firearm, asight carried by the sup orting member, and a pin slidably disposer inthe supporting member and provided at one end with a milled nut and atits other end With a bifurcation adapted to engage the sight.

5. In a device of the character described, a supporting block providedWith a vertical bore and With a horizontal bore, a sight provided With alug disposed in the vertical bore, a pin slidably disposed in thehorizontal bore, a spring disposed on the pin, a

member disposed in the horizontal bore and adapted to guide the pin andreceive the thrust of the spring, and a retracting member on the pin.

6. In a device of the character described, a supporting block providedWith a vertical bore and With a screw-threaded horizontal bore, a sightprovided With a lug disposed in the vertical bore, a pin slidablydisposed in the horizontal bore, a spring disposed on the pin, ascrew-threaded socket in the horizontal bore provided With an openingtherein adapted to guide the pin, said socket being adapted to receivethe thrust of the spring, and a retracting member on the pin.

In Witness'Whereof We have hereunto set our hands in the presence of twoWitnesses.

JAS. B. UREN. A. W. A. PHAIR.

Witnesses:

D. MCDONALD, GEO. Forums.

